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Monday, June 10, 2013

LowTech Blonde Ale v4 - Inaugural Two Vessel Brew

Inaugural Run 
My first brew on the two vessel recirculating system.  Wasn't perfectly smooth, requires tuning but otherwise I'd deem it a success.  You can find more information on my trials and tribulations in the Brewery Update post.

LowTech Blonde Ale v4

OG 1.040/ IBU ~25/ SRM ~3/ ~23L

85.0% OiO Domestic 2-Row
10.0% Gambrinus Vienna
05.0% OiO Wheat Malt

10g of Centennial @ 60 minutes
10g of Centennial @ 30 minutes
10g of Cascade @ 10 minutes
10g of Cascade @ 0 minutes

WLP007 Slurry (Used 3x - 4th re-pitch)

Brewed June 9th

Mash @ 66c for 45 min before firing the HLT  raising temperatures to a 76c  mash-out.  Collected 30L pre-boil volume.  

Boiled for 70 minutes adding hops as scheduled above.  Whirlfoc at 1 min remaining in boil (lost track of time messing with my pump).  Gravity measured 1.040.  Chilled to ~20c.  Collected ~23L into the fermenter.  

Pitched 100ml of  WLP007 (from LowTech Pale Ale v4), this will be the yeast's 3rd re-pitch.

1/2 tsp Gypsum, 2  tsp Calcium Chloride, 1 tsp Epsom Salts, 80g Acid malt, added to mash for a pH of 5.50.  Final water numbers: 
Ca 74, Mg 14, Na 18, Cl 98, SO4  108

Update June 12th

Fermenter moved from cold room (~18c) to warmer room (21c).   Strong airlock activity.   Liquid crystal thermometer on the side of the pail reads 18c

Update June 18th

Tested 1.0137 (3.5°P) ~ 67% attenuation (likely due to the cold fermentation). 

Update June 26th

FG Measures 1.0131 (3.34°P), racked to keg.

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